Genetics Review Bellringer 6A-6E

Front

What is the role of the sequence of nitrogenous bases in DNA?

Back

The sequence of nitrogenous bases in DNA provides the instructions for the traits of an organism.

Front

What polypeptide is coded for by the mRNA sequence 5' AUGGUUAAACGACAAUCC 3'?

Back

The polypeptide coded is Met, Val, Lys, Arg, Gln, Ser.

Front

What conclusion can be drawn from Thomas Hunt Morgan's research on butterfly wing color?

Back

The genes regulating wing color in butterflies are influenced by environmental factors.

Front

What is familial Alzheimer’s disease (FAD)?

Back

FAD is a type of early-onset Alzheimer’s disease that is inherited and results from a genetic change in one or more chromosomes.

Front

What significant structure of DNA was revealed by Rosalind Franklin's x-ray photograph?

Back

The double-helix structure of DNA.

Front

Define genetics.

Back

Genetics is the study of heredity and the variation of inherited characteristics.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for building a specific protein.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype is the observable physical or biochemical characteristics.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.

Front

What is the function of mRNA in protein synthesis?

Back

mRNA (messenger RNA) carries the genetic information from DNA to the ribosome, where proteins are synthesized.